EP4507578A1 - Lancette de sécurité - Google Patents

Lancette de sécurité

Info

Publication number
EP4507578A1
EP4507578A1 EP22937652.0A EP22937652A EP4507578A1 EP 4507578 A1 EP4507578 A1 EP 4507578A1 EP 22937652 A EP22937652 A EP 22937652A EP 4507578 A1 EP4507578 A1 EP 4507578A1
Authority
EP
European Patent Office
Prior art keywords
lancet
sheath
safety
recited
pair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22937652.0A
Other languages
German (de)
English (en)
Inventor
Ryan EL-HOSSEINY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority claimed from PCT/US2022/071872 external-priority patent/WO2023200489A1/fr
Publication of EP4507578A1 publication Critical patent/EP4507578A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/150022—Source of blood for capillary blood or interstitial fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150748—Having means for aiding positioning of the piercing device at a location where the body is to be pierced
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150801—Means for facilitating use, e.g. by people with impaired vision; means for indicating when used correctly or incorrectly; means for alarming
    • A61B5/150832—Means for facilitating use, e.g. by people with impaired vision; means for indicating when used correctly or incorrectly; means for alarming by topography of the surface, e.g. Braille, embossed printing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15103—Piercing procedure
    • A61B5/15107—Piercing being assisted by a triggering mechanism
    • A61B5/15109—Fully automatically triggered, i.e. the triggering does not require a deliberate action by the user, e.g. by contact with the patient's skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15103—Piercing procedure
    • A61B5/15107—Piercing being assisted by a triggering mechanism
    • A61B5/15111—Semi-automatically triggered, e.g. at the end of the cocking procedure, for instance by biasing the main drive spring or when reaching sufficient contact pressure, the piercing device is automatically triggered without any deliberate action by the user
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
    • A61B5/15117—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap

Definitions

  • the present invention relates generally to a safety lancet, specifically the present invention is a lancet needle arranged in a spring-loaded manner.
  • At-home blood collection has become more commonplace where smaller amounts of blood will satisfy a given diagnostic procedure.
  • these collections are facilitated by a kit which includes a collection vessel for the blood and a needle-type apparatus for puncturing the skin to provide blood for collection, i.e., a lancet device.
  • the present invention broadly comprises a safety lancet including a foundation, a base extending upwardly from the foundation, a spring extending upwardly from the base at a first end, the spring connected to a lancet body at a second end of the spring, the lancet body having a lancet extending from a lancet holder, a pair of restriction arms extending from the base, the pair of restriction arms having an end arranged to releasably hold the lancet holder of the lancet body, a housing extending from the base, and a sheath, the sheath slidably connected to the housing, the sheath having an aperture arranged colinearly with the lancet arranged on an upper surface of the sheath, the sheath having a distal surface arranged opposite the upper surface, extending from the distal surface are a pair of release means, wherein the pair of release means are arranged to engage the pair of restriction arms when force is imparted on the sheath thereby releasing the
  • the present invention also broadly comprises a safety lancet having a foundation, a base extending upwardly from the foundation, a lancet fixed secured to a top surface of the base, the lancet extending upwardly therefrom, the lancet having a puncture end arranged opposite of the top surface of the base, a housing extending from the base, a sheath, the sheath slidably connected to the housing, the sheath arranged to slidably surround an outside surface of the housing, the sheath having an aperture arranged colinearly with the lancet arranged on an upper surface of the sheath, and at least one spring secured to said upper surface of said base, wherein the at least one spring forcibly maintains the upper surface of the sheath in a position above the puncture end of the lancet.
  • the present invention also may comprise a safety lancet having a body, the body having a gripping means arranged on a distal surface, the body having a static portion and a dynamic portion, the dynamic portion slideably secured to the static portion, the dynamic portion having an aperture arranged on an upper surface, a lancet secured to a lancet body, the lancet body in communication with a spring, the spring connected to a distal end of the lancet body and the static portion of the body, a pair of restriction arms extending from the static portion of the body, the pair of restriction arms arranged to secure the lancet body to compress the spring, and a pair of release means extending distally from the dynamic portion of the body, the release means arranged to displace the pair of restriction arms secured on the lancet body thereby releasing the compression of the spring upon receiving a force imparted on the upper surface of the dynamic portion of the body.
  • the present invention also includes a gripping means, the gripping means arranged on a distal surface of the foundation, where the gripping means may comprise a nonslip rubber, a plurality of protrusions, the plurality of protrusion comprising a non-slip rubber, or releasable gripping means such as hook and loop material that is arranged to engage a hook and loop material on a surface of an objection, or structure, or a suction-cup like structure to secure to a surface of an object, or structure.
  • the gripping means of the foundation provide for sturdy positioning of the present invention during use.
  • a primary object of the invention is to provide a device that facilitates blood collection without requiring a person to use both hands, that is, the present invention may be positioned in an upright position and requires only one hand to actuate the lancet therein. Specifically, the present invention allows actuation, or access, to a lancet therein by imparting force on a sheath of the present invention.
  • a secondary object of the invention is to provide a gripping means arranged on a distal surface of a foundation of the invention, where the gripping means imparts an increased coefficient of friction between the invention and an external surface that the invention rests thereon.
  • Figure 1A illustrates a perspective view of the present invention
  • Figure IB illustrates a skeleton perspective view of the present invention
  • Figure 2A illustrates a perspective view of the present invention with cap 50 removed
  • Figure 2B illustrates a perspective view of the present invention with lancet 60 exposed after actuation
  • Figure 3A illustrates a perspective view of the present invention with housing 30 removed and sheath 40 partially cut-away;
  • Figure 3B illustrates a second perspective view of the present invention with housing 30 removed and sheath 40 partially cut-away;
  • Figure 4A illustrates an exploded view of the present invention with housing 30 removed
  • Figure 4B illustrates an exploded view of the present invention with housing 30 removed and sheath 40 partially cut-away;
  • Figure 5 A illustrates a side view of the present invention with sectional views of housing 30 and sheath 40 taken generally along line 5 - 5 shown in Figure 1A;
  • Figure 5B illustrates an enlarged view of the section labeled “Fig. 5B” shown in Figure 5A;
  • Figure 6A illustrates a side view of the present invention with sectional views of housing 30 and sheath 40 shown in Figure 5A, post-actuation;
  • Figure 6B illustrates an enlarged view of the section labeled “Fig. 6B” shown in Figure 6A;
  • FIGS. 7A - 7D illustrate various embodiments of gripping mechanism 11 of foundation 10
  • Figure 8A illustrates a perspective view of an alternative embodiment of the present invention
  • Figure 8B illustrates a skeleton perspective view of the alternative embodiment shown in Figure 8A;
  • Figure 8C illustrates lancet base 20 of the alternative embodiment shown in Figure 8A;
  • Figure 9A illustrates a perspective cut-away view of the alternative embodiment shown in
  • Figure 9B illustrates a perspective cut-away view of the alternative embodiment shown in Figure 9A, with lancet 60 exposed.
  • the term “lancet” should be understood to mean a type of surgical knife with a short, wide, pointed double-edged blade, used especially for making punctures and small incisions.
  • the term “lancet” should also be understood to mean that the lancet possesses a pointed tip, or end, and an oppositely arranged “base”, or end, that is mounted onto a structure.
  • the term “lancing” should be understood to mean a thrusting actuation of a lance to initiate impact with the tip or a motion in the direction towards a lance to initiate impact with the tip.
  • actuation should be appreciated to mean movement of the present invention, i.e., movement of the sheath and the lancet of the present invention or sole movement of the sheath of the present invention.
  • Safety lancet 100 is the preferred embodiment of the present invention and safety lancet 200 is an alternative embodiment of the present invention.
  • Both safety lancets 100 and 200 include foundation 10 which is specifically arranged to provide for a gripping mechanism of the present invention on a surface underneath to substantially prevent excessive movement of the lancet during actuation.
  • Like components of safety lancets 100 and 200 may share structural components, e.g., lancet base 20, however those like components may have different structural compositions between the embodiments.
  • Safety lancet 100 is the preferred embodiment of the present invention.
  • Safety lancet 100 generally comprises foundation 10, lancet base 20, housing 30, and sheath 40.
  • Figures 1A and IB both illustrate cap 50 which is arranged to cover the top surface of sheath 40.
  • safety lancet 200 shown in Figures 9 - 13
  • Figure IB illustrates a skeleton perspective view of safety lancet 100 to show a generally preferred arrangement of the internal structural components.
  • Foundation 10 is arranged to have gripping means on its distal surface.
  • Gripping means may include a rubberized construction of the entirety of foundation 10, specifically a nonslip material, such as a non-slip rubber.
  • the gripping means of foundation 10 may embody a plurality of raised protrusions, where each of the protrusions may be comprised of non-slip material.
  • the gripping means of foundation 10 may embody a plurality of ridges, where each of the ridges may be comprised of a non-slip material, or a combination thereof.
  • the gripping means of foundation 10 may include a hook and loop type fastener that is arranged to engage a like hook and loop type fastener that is attached to an external surface.
  • foundation 10 is shown to have generally the same external perimeter of lancet base 20, foundation 10 could have an external perimeter that is greater than the external perimeter of lancet base 20.
  • the gripping means of foundation 10 may take a variety of configurations to provide for substantially no translational movement of safety lancet 100 and 200 on an external surface when in use — specifically to allow for a patient to use a single hand without concern for extraneous movement of safety lancets 100 and 200.
  • the material of gripping means of foundation 10 could comprise, anti-slip tapes or threads and could be comprised of a rubber, PVC or polyurethane and may also include a grit surface of a hard substance, such as silicon carbide.
  • Figure 2A generally illustrates safety lancet 100 prior to actuation of the internal lancet.
  • Figure 2B generally illustrates safety lancet 100 post-actuation of lancet 60.
  • Lancet aperture 42 is arranged on upper surface 41 of sheath 40.
  • Sheath 40 is slideably attached to housing 30, such that when force is imparted on upper surface 41 of sheath 40, sheath 40 moves in a direction towards foundation 10.
  • sheath 40 When force is imparted on sheath 40, i.e., a downward force on upper surface 41, sheath 40 interacts with lancet base 20 to actuate lancet 60 in a direction towards lancet aperture 42 such that the tip of lancet 60 will be positioned above lancet aperture 42.
  • the actuation of safety lancet 100 is detailed further, infra.
  • Figures 3A and 3B both illustrate safety lancet 100 without housing 30 and sheath 40 partially cut-away.
  • First lancet restriction arm 21a, second lancet restriction arm 21b, and spring base 23 all extend from the exposed surface of lancet base 20.
  • Spring 24 is secured to spring base 23 at its distal end and is secured to the distal end of lancet body 61 at its upper end.
  • Constraint end 22a is arranged on first lancet restriction arm 21a, specifically constraint end 22a is arranged distally in relation to lancet base 20.
  • Constraint end 22b is arranged on second lancet restriction 21b, specifically constraint end 22b is arranged distally in relation to lancet base 20. Constraint ends 22a and 22b both collectively hold lancet body 61 in a position that compresses spring 24 — preventing movement of lancet body 61.
  • Channel body 41b extends from distal surface 41a of sheath 40.
  • First channel arm 43a and second channel arm 43b extend distally from channel body 41b.
  • First release means 44a and second release means 44b are arranged on channel body 41b.
  • First release means 44a and second release means 44b of channel body 41b are sloped members and are arranged to interact with constraint end 22a of first lancet restriction arm 21a and constraint end 22b of second lancet restriction arm 21b, to release the compression on spring 24 from constraint ends 22a and 22b.
  • First release means 44a and second release means 44b can take a plurality of forms that would allow their respective interaction with constraint end 22a of first lancet restriction arm 21a and constraint end 22b of second lancet restriction arm 21b to release lancet body 61 therefrom. Specifically, first release means 44a disengages constraint end 22a from lancet body 61 and second release means 44b disengages constraint end 22b from lancet body 61.
  • Figure 4A generally illustrates an exploded view of safety lancet 100 without case 30
  • Figure 4B generally illustrates an exploded view of safety lancet 100 without case 30 and with a portion of sheath 40 removed.
  • Lancet body 61 includes spring attachment means 62 and lancet holder 63 which are arranged at opposite ends of lancet body 61.
  • Spring attachment means 62 may comprise a plurality of configurations to fixedly secure spring 24 thereto, such as threadable means, an aperture arranged to accept spring 24 therein, or the like.
  • Lancet holder 63 is primarily arranged to function as a base for the non-tipped end of lancet 60 to be fixed secured thereto.
  • Lancet holder 63 includes first restriction means 65a and second restriction means 65b extending therefrom.
  • First restriction means 65a and second restriction means 65b are essentially ridges, or shelves, that are arranged to provide a surface for the respective constraint ends 22a and 22b to hold lancet body 61 in a position to compress spring 24.
  • First guide means 64a and second guide means 64b are disposed on opposite external surfaces of lancet body 61.
  • First guide means 64a and second guide means 64b are ridges, or like structures, that are arranged to slide within channel 45a of first channel arm 43a and channel 45b of second channel arm 43b, respectively (first channel 45a is illustrated in hidden lines).
  • First guide means 64a and second guide means 64b work collectively with channel 45a of first channel arm 43a and channel 45b of second channel arm 43b to ensure that lancet body 61 travels in a substantially colinearly vertical direction towards a center point of aperture 42 when the compression imparted on spring 24 is released.
  • Figures 5A - 6B illustrate the release configuration of safety lancet 100 when in use.
  • Figure 5A illustrates a partial cross-sectional view of safety lancet 100 where housing 30 and sheath 40 are cross-sectionals taken generally along line 5 - 5 in Figure 1A.
  • Figure 5B illustrates an enlarged view taken from Figure 5A.
  • Figures 5A and 5B illustrate safety lancet 100 prior to actuation of lancet 60.
  • Figure 6A illustrates a partial cross-sectional view of safety lancet 100 where housing 30 and sheath 40 are cross-sectionals generally shown in Figure 5A where lancet 60 has been actuated from force imparted on sheath 40.
  • Figure 6B illustrates an enlarged view taken from Figure 6A.
  • lancet body 61 is secured in a position that compresses spring 24 via constraint end 22a of first lancet restriction arm 21a and constraint end 22b of second lancet restriction arm 21b.
  • Constraint ends 22a and 22b hold first restriction means 65a and second restriction means 65b of lancet body 61, respectively.
  • Constraint ends 22a and 22b have hooks 22c and 22d, respectively, which are edges, shelves, or ridges, that are arranged to abut that protruding configuration of first restriction means 65a and second restriction means 65b of lancet body 61. Hooks 22c and 22d of constraint ends 22a and 22b keep lancet body 61 in a position that maintains compression on spring 24.
  • first and second release means 44a and 44b of channel body 41b of sheath 40 are released by first and second release means 44a and 44b of channel body 41b of sheath 40 when sheath 40 is pushed in a downward direction on housing 30, i.e., exposed length LI of housing 30 transitions to exposed length L2 of housing 30 when sheath 40 is forcibly slid along the outside of housing 30.
  • First and second release means 44a and 44b of channel body 41b are preferably sloped members that are arranged to interact with tapered tips 22e and 22f of constraint ends 22a and 22b, respectively.
  • first and second release means 44a and 44b When first and second release means 44a and 44b are pushed into tapered tips 22e and 22f of constraint ends 22a and 22b, the force thereon displaces hooks 22c and 22d of constraint ends 22a and 22b from first restriction means 65a and second restriction means 65b of lancet body 61, thereby releasing the compression from spring 24.
  • tapered tips 22e and 22f of constraint ends 22a and 22b travel along the surface of first and second release means 44a and 44b as sheath 40 is pushed downwardly until hooks 22c and 22d are displaced from first restriction means 65a and second restriction means 65b of lancet body 61, respectively.
  • lancet body 61 and lancet 60 travel in the direction towards upper surface 41 of sheath 40, up and through lancet aperture 42, exposing the sharp tip of lancet 60 above the upper surface of lancet aperture 42.
  • gripping means 11 of foundation 10 may be a rubberized construction of the entirety of foundation 10, where the rubber is preferably constructed from a non-slip material, or other alternative materials with non-slip compositions instead of rubber.
  • gripping means 11 may be comprised of plurality of ridges 11b that extend from distal surface Ila of foundation 10, where plurality of ridges lib and distal surface Ila may be both comprised of non-slip rubber, or similar material.
  • gripping means 11 may comprise suction cup 13 extending from distal surface Ila of foundation 10, where suction cup 13 is arranged to removably secure safety lancets 100 and 200 on an external surface.
  • gripping means 11 may include hook and loop fastener 12a which is arranged to secure to hook and loop fastener 12b arranged on external surface 300, to removably secure safety lancets 100 and 200, thereto. It should be noted that hook and loop fasteners 12a and 12b may comprise any interference-based type of removable connection means.
  • Gripping means 11, illustrated in Figures 7C and 7D, may be more preferable in clinical settings where it is more advantageous to secure safety lancets 100 and 200 to a predetermined area.
  • gripping means 11 of foundation 10 increases the coefficient of friction between an external surface that gripping means 11 of foundation 10 contacts when safety lancets 100 and 200 are resting on the external surface.
  • a low value of coefficient of friction (p) indicates that the force required for sliding to occur is less than the force required when the coefficient of friction (p) is high. If safety lancets 100 and 200 did not include gripping means 11, the coefficient of friction would be represented by pi. When safety lancets 100 and 200 include gripping means 11, the coefficient of friction is represented by g2. Thusly, gripping means 11 results in a relationship of:
  • the coefficient of friction between safety lancets 100 and 200 having gripping means 11 and an external surface is greater than the coefficient of friction between safety lancets 100 and 200 not having gripping means and an external surface.
  • This increase in the coefficient of friction afforded by gripping means 11 of safety lancets 100 and 200 helps to prevent either of the safety lancets from moving should a patient have a condition that cause tremors which could make the lancing process, z.e., actuation of lancet 60, more difficult, e.g., safety lancets 100 and/or 200 falling over during the lancing process from patient tremors.
  • safety lancet 200 is shown in Figures 8A - 9B. It should be appreciated that many of the components of safety lancet 100, described supra, are shared with safety lancet 200. However, lancet base 20 of safety lancet 200 and channel body 41b of safety lancet 200 comprise a different configuration than that of safety lancet 100.
  • Safety lancet 200 generally comprises foundation 10, lancet base 20, housing 30, and sheath 40. As shown in Figure 9B, lancet base 20, housing 30, and sheath 40 collectively house and hold the internal components of safety lancet 200.
  • lancet base 20 of safety lancet 200 fixes lancet body 61 to lancet base 20.
  • Lancet body 61 is buttressed by first support 25a and second support 25b.
  • Lancet body 61, first support 25a and second support 25b may be integral with lancet base 20 of safety lancet 200.
  • Lancet base 20 of safety lancet 200 includes two springs, 24a and 24b that are arranged to interact with sheath 40.
  • springs 24a and 24b impart force onto first channel arm 43a and second channel 43b to keep sheath 40 in a position where the tip of lancet 60 is within sheath 40 as shown in Figure 9A, i.e., lancet 60 not exposed through aperture 42 as shown in Figure 9B.
  • Lancet body 61 of safety lancet 200 does not include the first and second restriction means 65a and 65b like safety lancet 100 (shown in Figure 5B) but rather includes first and second restriction means 66a and 66b which are arranged to interact with sheath 40. Specifically, first and second restriction means 66a and 66b of lancet body 61 of safety lancet 200 are arranged to prevent sheath 40 from traveling in a downward direction past first and second restriction means 66a and 66b.
  • Figure 9A illustrates a perspective view of safety lancet 200 with portions of housing 30 and sheath 40 removed.
  • Figure 9B illustrates a perspective view of safety lancet 200 with lancet 60 exposed along with portions of housing 30 and sheath 40 removed.
  • sheath 40 is slideably attached to housing 30 of safety lancet 200.
  • lancet 60 is disposed within sheath 40 of safety lancet 20.
  • force is imparted on upper surface 41 of sheath 40 to slide sheath 40 in a downward direction on housing 30 towards foundation 10, thereby exposing lancet 60 above the top surface of aperture 40 and through aperture 42.
  • Channel body 41b of safety lancet 200 includes channel 45a within first channel arm 43a and channel 45b of second channel arm 43b (not shown but identical to safety lancet 100 shown in Figures 4A and 4B). Like safety lancet 100, channel 45a within first channel arm 43a and channel 45b of second channel arm 43b are arranged to accept first guide means 64a and second guide means 64b, respectively, of safety lancet 200 to provide a movement guide of sheath 40. Channel body 41b of safety lancet 200 also includes first limiting means 46a and second limiting means 46b.
  • First limiting means 46a and second limiting means 46b are arranged to contact first and second restriction means 66a and 66b of lancet body 20 to prevent sheath 40 from traveling in a downward direction past first and second restriction means 66a and 66b of safety lancet 200.
  • safety lancet 100 has a configuration that affords a dynamic (moveable) lancet and that safety lancet 200 has a configuration where the lancet is in a static (fixed) position.
  • Safety lancet 200 notably has fewer movable components than safety lancet 100.
  • Foundation 10 and its gripping means 11, housing 30, lancet base 20 are also known as the static portion of the body of safety lancet 100.
  • Sheath 40 is also known as the dynamic portion of the body of safety lancet 100, where the body of safety lancet 100 comprises both the static portion and the dynamic portion.
  • Foundation 10 and its gripping means 11, housing 30, lancet base 20 are also known as the static portion of the body of safety lancet 200.
  • Sheath 40 is also known as the dynamic portion of the body of safety lancet 200, where the body of safety lancet 200 comprises both the static portion and the dynamic portion.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Lancette de sécurité comprenant une fondation, une base s'étendant vers le haut depuis la fondation, un ressort s'étendant vers le haut depuis la base jusqu'à une première extrémité, le ressort raccordé à un corps de lancette à une seconde extrémité du ressort, le corps de lancette ayant une lancette s'étendant depuis un dispositif de retenue de lancette, une paire de bras de restriction s'étendant depuis la base, les bras de restriction disposés pour maintenir de manière à pouvoir être libéré le dispositif de retenue de lancette du corps de lancette, un logement s'étendant depuis la base, et une gaine raccordée coulissante au logement, la gaine ayant une ouverture disposée sur une surface supérieure de la gaine, s'étendant depuis la surface distale de la gaine se trouve une paire de moyens de libération, la paire de moyens de libération étant disposée pour engager la paire de bras de restriction lorsqu'une force est conférée sur la gaine, libérant ainsi le ressort d'une configuration comprimée.
EP22937652.0A 2022-04-13 2022-04-22 Lancette de sécurité Pending EP4507578A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202263362903P 2022-04-13 2022-04-13
PCT/US2022/071872 WO2023200489A1 (fr) 2022-04-13 2022-04-22 Lancette de sécurité

Publications (1)

Publication Number Publication Date
EP4507578A1 true EP4507578A1 (fr) 2025-02-19

Family

ID=94322746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22937652.0A Pending EP4507578A1 (fr) 2022-04-13 2022-04-22 Lancette de sécurité

Country Status (1)

Country Link
EP (1) EP4507578A1 (fr)

Similar Documents

Publication Publication Date Title
JP5198596B2 (ja) 標本採取の切開装置
EP1919362B1 (fr) Dispositif de prélèvement sanguin
EP1790287B1 (fr) Instrument de ponction
DE19758805B4 (de) Vorrichtung zur Entnahme von Körperflüssigkeitsproben und Verfahren zu ihrer Verwendung
EP0204892B1 (fr) Lancette
AU2001266766B2 (en) Cap for a lancing device
US20040162573A1 (en) Endcap for lancing device and method of use
US9649053B2 (en) Cam-actuated medical puncturing device and method
JP2002085386A (ja) 穿刺装置のための調節可能なエンドキャップ
US20020177787A1 (en) Body fluid sampling device and methods of use
AU2001266766A1 (en) Cap for a lancing device
CN101163447A (zh) 刺血针释放机构
CN115381443A (zh) 一种用于植入式生物传感器的一体式植入装置
EP2144563A1 (fr) Mécanisme d'éjection de lancette
US20250235134A1 (en) Safety Lancet
EP4507578A1 (fr) Lancette de sécurité
JP2000511068A (ja) 体液サンプリング装置及びその使用方法
CA2733803A1 (fr) Embout pour dispositif a lancette
HK1067027B (en) An endcap for a lancing device

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20241112

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: A61B 5/151 20060101AFI20260130BHEP

Ipc: A61B 5/15 20060101ALI20260130BHEP